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Definitions for "Prototheria"
Keywords:  monotremata, subclass, wild, belongs, animal
Same as Monotremata.
ftp.uga.edu
Prototheria (próto-thiŕ ee-a) (Gr.prōtos, first, + thēr, wild animal) is the subclass to which the order Monotremata belongs.
en.wikipedia.org
Keywords:  echidnas, platypus
echidnas; platypus
wordnet.princeton.edu